# Colorado — Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role

For Colorado, preliminary notice required is conditional — no pre-work notice required; Notice of Intent to File Lien Statement must be served at least 10 days before recording for all claimants; notice name is Notice of Intent to File Lien Statement; notice deadline — gc (days) is not required; notice deadline — sub/supplier (days) is 10 days before filing; lien recording deadline — gc (days) is 4 months, recorded from its source on 2026-08-14.

- **State:** Colorado
- **Preliminary notice required:** conditional — no pre-work notice required; Notice of Intent to File Lien Statement must be served at least 10 days before recording for all claimants _(our reading, not quoted from the source)_
- **Notice name:** Notice of Intent to File Lien Statement _(verified: appears in the quote below)_
- **Notice deadline — GC (days):** not required
- **Notice deadline — sub/supplier (days):** 10 days before filing
- **Lien recording deadline — GC (days):** 4 months
- **Lien recording deadline — sub/supplier (days):** 4 months
- **Enforcement deadline (days):** 6 months
- **Late notice consequence:** forfeiture _(our reading, not quoted from the source)_
- **Statute:** C.R.S. §38-22-101 et seq.

## What the source says

> No pre-work preliminary notice is required for a prime contractor in privity with the owner. A Notice of Intent to File Lien Statement must still be served on the owner and the prime contractor at least 10 full days before recording the Lien Statement.

## Source

- https://mechanicslien.com/colorado

Last verified: 2026-08-14. Review by: 2027-08-14.
Part of [Mechanics lien filing deadlines, preliminary notice requirements, and enforcement windows by US state and party role](https://referencesource.org/mechanics-lien-deadlines-by-state/).